CN201622555U

CN201622555U - Plastic casing with functions of capacitor type touchpad

Info

Publication number: CN201622555U
Application number: CN2010201406880U
Authority: CN
Inventors: 游敬峰; 陈金宏; 陈国基
Original assignee: BAITENG SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: BAITENG SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2010-03-25
Filing date: 2010-03-25
Publication date: 2010-11-03
Anticipated expiration: 2020-03-25

Abstract

The utility model discloses a plastic casing with functions of a capacitor type touchpad. The plastic casing comprises a substrate and is provided with a plurality of first through holes and a plurality of second through holes which are filled with conductive materials. A first electrode layer and a second electrode layer are respectively formed on two sides of the substrate, the first electrode layer comprises a first electrode pattern and a second electrode pattern which respectively contact with the conductive materials of the first through holes and the second through holes, and the second electrode layer comprises a first circuit and a second circuit which respectively contact with the conductive materials of the first through holes and the second through holes so as to be electrically connected with the first electrode pattern and the second electrode pattern of the first electrode layer. The plastic casing has functions of the capacitor type touchpad, and further has anti-fouling and anti-splashing effects by aid of the integrated molding design.

Description

The shell of moulding with condenser type track pad function

Technical field

The utility model relates to a kind of contactor control device that is applied to portable electronic device, relates in particular to a kind of shell of moulding with condenser type track pad function.

Background technology

In the epoch rapidly of development in science and technology now, no matter be mobile computer, mobile phone or other portable electronic devices, utilizing track pad (Trackpad) to operate is a kind of inevitable trend.Yet, with regard to the production of mobile computer, all be to be assembled on the casing of mobile computer with going again after the track pad modularization.This kind practice has many shortcomings, it is difficult reaching that the slot that is produced after for example assembling can make its part at antifouling and anti-water-sprinkling, perhaps need to increase in addition antifouling anti-water-sprinkling design or package program, no matter adopt which kind of practice, its cost is increased, and not necessarily can solve the problem of antifouling and anti-water-sprinkling fully.

Simultaneously, the track pad module also must consider to meet the relevant criterion of anti-system Electromagnetic Interference (EMI).If not anti-system Electromagnetic Interference (Electro-Magnetic Interference; EMI) measure not only can influence the running of other electronic equipment, itself also is subjected to other electronic equipment easily and disturbs.At present anti-electromagnetic interference (EMI) worker method comprises modes such as metal iron plate, spraying conductive paint, plating, magnalium and vacuum splashing and plating.Yet vacuum splashing and plating worker method wherein can plate out thin and average metallic film, and anti-relatively system EMI effect is also than other worker Fa Gengjia.In environmental protection, to compare metal iron plate, plating and conductive paint and need use a large amount of chemical agents, vacuum splashing and plating worker method is utilized physical principle, metallic atom is plated in the cabinet surface, processing procedure is environmental protection comparatively, also than low 2～3 one-tenth of other worker's method, is following technology than the tool potentiality aspect cost.

The utility model content

In order to reach the demand of antifouling, anti-water-sprinkling, and consider that problems such as complexity on package program and relevant processing procedure and cost control, the utility model provide a kind of shell of moulding with condenser type track pad function that shell and track pad are formed in one of moulding.

The shell of moulding with condenser type track pad function described in the utility model, comprise: a base material, have a first surface and a second surface, the first surface definition has a touch control operation district, and the precalculated position in the touch control operation district of this base material offers a plurality of first perforations and second perforation, and is filled with a conductive material in this first perforation and this second perforation; One first electrode layer, be formed at the touch control operation district of the first surface of this base material, this first electrode layer includes one first electrode pattern and one second electrode pattern, wherein this first electrode pattern is contacted with the conductive material of this each first perforation, and this second electrode pattern is contacted with the conductive material of this each second perforation; One the second electrode lay, be formed at the second surface of this base material, this the second electrode lay includes one first circuit and one second circuit, the conductive material that this first circuit is contacted with this first perforation is electrically connecting first electrode pattern of this first electrode layer, and this second circuit is contacted with the conductive material of this second perforation to electrically connect second electrode pattern of this first electrode layer.

Via the technological means that the utility model adopted, can have the effect of condenser type track pad, utilize its integrated design, can have antifouling, anti-water-sprinkling function concurrently, and can cost not increased.

Description of drawings

Fig. 1 is a stereographic map of moulding the preferred embodiment of shell described in the utility model, mainly demonstrates first electrode layer that is positioned at the first surface of moulding shell;

Fig. 2 is a top view of moulding the preferred embodiment of shell described in the utility model, mainly demonstrates first electrode layer that is positioned at the first surface of moulding shell;

Fig. 3 is a partial sectional view of moulding shell described in the utility model;

Fig. 4 is a stereographic map of moulding the preferred embodiment of shell described in the utility model, mainly demonstrates the second electrode lay that is positioned at the second surface of moulding shell;

Fig. 5 is a following view of moulding the preferred embodiment of shell described in the utility model, mainly demonstrates the second electrode lay that is positioned at the second surface of moulding shell;

Fig. 6 is the synoptic diagram that shell is applied to mobile computer of moulding described in the utility model.

Embodiment

Those skilled in the art below cooperate Figure of description that embodiment of the present utility model is done more detailed description, so that can implement after studying this instructions carefully according to this.

Please consult Fig. 1～Fig. 3 simultaneously, it is respectively stereographic map, top view and the partial sectional view of moulding the preferred embodiment of shell described in the utility model.As shown in Figure 1, 2, 3, the shell 100 of moulding with condenser type track pad function described in the utility model includes a base material 1, have a first surface 11 and a second surface 12, definition has a touch control operation district 111 on first surface 11, and offers a plurality of first perforations 131 and second perforation 132 in the precalculated position in the touch control operation district 111 of base material 1.Touch control operation district 111 at the first surface 11 of base material 1 is formed with first electrode layer 2, and is formed with the second electrode lay 3 at the second surface 12 of base material 1.And be filled with a conductive material 14 (for example can be elargol, or conductive material 14 is formed on the hole wall) in first perforation 131 of base material 1 and second perforation 132, in order to electrically connect first electrode layer 2 and the second electrode lay 3 with sputtering way.

First electrode layer 2 includes one first electrode pattern 21 and one second electrode pattern 22.Wherein first electrode pattern 21 just is contacted with the conductive material 14 of each first perforation 131, and second electrode pattern 22 just is contacted with the conductive material 14 of each second perforation 132.In the present embodiment, first electrode pattern 21 is the X-axis electrodes as capacitive touch control plate, and second electrode pattern 22 is as the Y-axis electrode, and it is square that its shape is all in the present embodiment, but be not limited only to this.

Please consult Fig. 4～Fig. 5 simultaneously, it is respectively the stereographic map of moulding the preferred embodiment of shell described in the utility model and reaches view down.Shown in Fig. 4,5, the second electrode lay 3 includes one first circuit 31 and one second circuit 32, first circuit 31 is contacted with the conductive material 14 of this first perforation 131, to electrically connect first electrode pattern 21 of first electrode layer 2, and second circuit 32 is contacted with the conductive material 14 of second perforation 132, to electrically connect second electrode pattern 22 of first electrode layer 2.Second circuit 32 shown in the figure also comprises the short-term road part of second perforation, 132 electrically connects that each is adjacent except that comprising the long section circuit that extends out.

In addition, be formed with a syndeton 4, first integrated circuit 31 and one second circuit 32 can be connected to circuit board in the precalculated position of the second surface 12 of base material 1.Present embodiment is described moulds the function that shell 100 has the condenser type track pad, is preferably the track pad (Trackpad) that can use as mobile computer, but is not limited only to this.

With regard on the processing procedure, mould first electrode layer 2 of shell 100 and the thin film manufacture process of the second electrode lay 3 and can utilize sputter process (sputtering) made, for example first surface 11 and the second surface 12 difference sputters at base material 1 form metallic film (copper or stainless steel+copper).And the pattern processing procedure of its first electrode pattern 21 and second electrode pattern 22 can utilize as light shield (Mask) processing procedure or laser engraving processing procedure made.For example the light shield processing procedure can be implemented the graphical light shield processing procedure of negative film earlier when not implementing thin film manufacture process, and the laser engraving processing procedure is implement radium carving processing procedure after implementing thin film manufacture process again graphical, because it is known that the principle of two kinds of processing procedures and technology all belong to, so do not repeat them here.

Consult Fig. 6, mould the synoptic diagram that shell is applied to mobile computer for described in the utility model.As shown in Figure 6, the shell 100 of moulding described in the utility model is applied to mobile computer 5, can has the effect of computer housing and condenser type track pad simultaneously concurrently, utilize its integrated design, can have the function of antifouling, anti-water-sprinkling concurrently.

The above only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; therefore; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.

Claims

1. the shell of moulding with condenser type track pad function is characterized in that, comprising:

One base material, have a first surface and a second surface, the definition of this first surface has a touch control operation district, and offers a plurality of first perforations and second perforation in the precalculated position in the touch control operation district of this base material, and is filled with a conductive material in this first perforation and this second perforation; One first electrode layer, be formed at the touch control operation district of the first surface of this base material, this first electrode layer includes one first electrode pattern and one second electrode pattern, wherein this first electrode pattern is contacted with the conductive material of this each first perforation, and this second electrode pattern is contacted with the conductive material of this each second perforation;

One the second electrode lay, be formed at the second surface of this base material, this the second electrode lay includes one first circuit and one second circuit, the conductive material that this first circuit is contacted with this first perforation is electrically connecting first electrode pattern of this first electrode layer, and this second circuit is contacted with the conductive material of this second perforation to electrically connect second electrode pattern of this first electrode layer.

2. the shell of moulding as claimed in claim 1 is characterized in that, is formed with a syndeton in the precalculated position of the second surface of this base material.

3. the shell of moulding as claimed in claim 1 is characterized in that, the conductive material of being filled in this first perforation and this second perforation is an elargol.

4. the shell of moulding as claimed in claim 1 is characterized in that this first electrode layer and this second electrode lay are made by sputter process.

5. the shell of moulding as claimed in claim 1 is characterized in that, first electrode pattern of this first electrode layer and second electrode pattern, and first circuit of this second electrode lay and second circuit are made by the laser engraving processing procedure.

6. the shell of moulding as claimed in claim 1 is characterized in that, first electrode pattern of this first electrode layer and second electrode pattern, and first circuit of this second electrode lay and second circuit are made by the light shield processing procedure.

7. the shell of moulding as claimed in claim 1 is characterized in that, the conductive material of this first perforation and second perforation is the hole wall that is formed at this first perforation and second perforation with sputtering way.